Yamada Satoru

Yamada Satoru (Yamada Satoru 山田 悟る, English speaking: Satoru Yamada) is a world-class assassin who is the greatest assassin within the Kaze jōtei Universe. One of Yamada's best known skills is that he is capable of sleeping while still being able to retain his conscious. Yamada is also known for his extremely brutal training system in which he voluntarily allows himself to be attacked at full force in order to further increase his already exceptional pain tolerance.